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Side-by-side financial comparison of AMBARELLA INC (AMBA) and NATIONAL PRESTO INDUSTRIES INC (NPK). Click either name above to swap in a different company.

NATIONAL PRESTO INDUSTRIES INC is the larger business by last-quarter revenue ($164.0M vs $108.5M, roughly 1.5× AMBARELLA INC). On growth, AMBARELLA INC posted the faster year-over-year revenue change (31.2% vs 21.7%). AMBARELLA INC produced more free cash flow last quarter ($31.4M vs $12.4M). Over the past eight quarters, NATIONAL PRESTO INDUSTRIES INC's revenue compounded faster (46.3% CAGR vs 45.0%).

Ambarella, Inc. is an American fabless semiconductor design company, focusing on low-power, high-definition (HD) and Ultra HD video compression, image processing, and computer vision processors. Ambarella's products are used in a wide variety of human and computer vision applications, including video security, advanced driver assistance systems (ADAS), electronic mirror, drive recorder, driver and in-cabin monitoring, autonomous driving, and robotics applications. Ambarella's system on chips ...

National Presto Industries is a company founded in 1905 in Eau Claire, Wisconsin. Originally called "Northwestern Steel and Iron Works" the company changed its name to the "National Pressure Cooker Company" in 1929 and then National Presto Industries, Inc. 1953. The company originally produced pressure canners for commercial, and later home, use. Beginning in 1939, the company introduced small home-use cooking appliances. The company was admitted to the New York Stock Exchange on March 3, 1969.

AMBA vs NPK — Head-to-Head

Bigger by revenue
NPK
NPK
1.5× larger
NPK
$164.0M
$108.5M
AMBA
Growing faster (revenue YoY)
AMBA
AMBA
+9.5% gap
AMBA
31.2%
21.7%
NPK
More free cash flow
AMBA
AMBA
$19.0M more FCF
AMBA
$31.4M
$12.4M
NPK
Faster 2-yr revenue CAGR
NPK
NPK
Annualised
NPK
46.3%
45.0%
AMBA

Income Statement — Q3 FY2026 vs Q4 FY2025

Metric
AMBA
AMBA
NPK
NPK
Revenue
$108.5M
$164.0M
Net Profit
$-15.1M
Gross Margin
59.6%
16.9%
Operating Margin
-15.0%
11.4%
Net Margin
-13.9%
Revenue YoY
31.2%
21.7%
Net Profit YoY
37.2%
EPS (diluted)
$-0.35

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
AMBA
AMBA
NPK
NPK
Q4 25
$108.5M
$164.0M
Q3 25
$95.5M
$115.5M
Q2 25
$85.9M
$120.4M
Q1 25
$84.0M
$103.6M
Q4 24
$82.7M
$134.7M
Q3 24
$63.7M
$91.8M
Q2 24
$54.5M
$85.1M
Q1 24
$51.6M
$76.7M
Net Profit
AMBA
AMBA
NPK
NPK
Q4 25
$-15.1M
Q3 25
$-20.0M
$5.3M
Q2 25
$-24.3M
$5.2M
Q1 25
$-20.2M
$7.6M
Q4 24
$-24.1M
Q3 24
$-34.9M
$8.1M
Q2 24
$-37.9M
$6.1M
Q1 24
$-60.6M
$6.6M
Gross Margin
AMBA
AMBA
NPK
NPK
Q4 25
59.6%
16.9%
Q3 25
58.9%
13.9%
Q2 25
60.0%
15.4%
Q1 25
60.0%
17.5%
Q4 24
60.6%
24.3%
Q3 24
60.8%
18.8%
Q2 24
60.9%
17.3%
Q1 24
59.8%
18.1%
Operating Margin
AMBA
AMBA
NPK
NPK
Q4 25
-15.0%
11.4%
Q3 25
-23.0%
5.6%
Q2 25
-30.1%
5.1%
Q1 25
-30.2%
8.8%
Q4 24
-30.9%
17.3%
Q3 24
-56.9%
10.0%
Q2 24
-72.4%
7.5%
Q1 24
-80.8%
8.2%
Net Margin
AMBA
AMBA
NPK
NPK
Q4 25
-13.9%
Q3 25
-20.9%
4.6%
Q2 25
-28.3%
4.3%
Q1 25
-24.1%
7.3%
Q4 24
-29.1%
Q3 24
-54.8%
8.8%
Q2 24
-69.6%
7.1%
Q1 24
-117.4%
8.6%
EPS (diluted)
AMBA
AMBA
NPK
NPK
Q4 25
$-0.35
Q3 25
$-0.47
Q2 25
$-0.58
Q1 25
$-0.48
Q4 24
$-0.58
Q3 24
$-0.85
Q2 24
$-0.93
Q1 24
$-1.51

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
AMBA
AMBA
NPK
NPK
Cash + ST InvestmentsLiquidity on hand
$174.1M
$3.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$590.1M
$395.1M
Total Assets
$751.9M
$500.7M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMBA
AMBA
NPK
NPK
Q4 25
$174.1M
$3.8M
Q3 25
$142.7M
$4.6M
Q2 25
$141.3M
$4.8M
Q1 25
$144.6M
$5.5M
Q4 24
$127.1M
$22.7M
Q3 24
$153.9M
$33.2M
Q2 24
$131.8M
$53.4M
Q1 24
$144.9M
$87.9M
Stockholders' Equity
AMBA
AMBA
NPK
NPK
Q4 25
$590.1M
$395.1M
Q3 25
$576.5M
$379.8M
Q2 25
$572.7M
$374.1M
Q1 25
$561.4M
$368.6M
Q4 24
$554.3M
$367.6M
Q3 24
$547.6M
$346.6M
Q2 24
$555.4M
$338.1M
Q1 24
$559.9M
$331.6M
Total Assets
AMBA
AMBA
NPK
NPK
Q4 25
$751.9M
$500.7M
Q3 25
$706.4M
$503.8M
Q2 25
$701.9M
$471.9M
Q1 25
$689.0M
$455.3M
Q4 24
$670.8M
$453.4M
Q3 24
$650.3M
$428.9M
Q2 24
$638.7M
$418.1M
Q1 24
$657.7M
$417.5M

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
AMBA
AMBA
NPK
NPK
Operating Cash FlowLast quarter
$34.3M
$13.9M
Free Cash FlowOCF − Capex
$31.4M
$12.4M
FCF MarginFCF / Revenue
29.0%
7.6%
Capex IntensityCapex / Revenue
2.7%
0.9%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$64.3M
$-36.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMBA
AMBA
NPK
NPK
Q4 25
$34.3M
$13.9M
Q3 25
$5.5M
$-24.6M
Q2 25
$14.8M
$-10.9M
Q1 25
$25.4M
$12.5M
Q4 24
$6.6M
$-7.6M
Q3 24
$16.7M
$-17.5M
Q2 24
$-15.0M
$-33.9M
Q1 24
$-4.0M
$5.6M
Free Cash Flow
AMBA
AMBA
NPK
NPK
Q4 25
$31.4M
$12.4M
Q3 25
$1.4M
$-24.7M
Q2 25
$10.2M
$-13.4M
Q1 25
$21.2M
$-10.5M
Q4 24
$4.1M
$-11.3M
Q3 24
$14.2M
$-20.3M
Q2 24
$-16.1M
$-34.5M
Q1 24
$-6.0M
$5.2M
FCF Margin
AMBA
AMBA
NPK
NPK
Q4 25
29.0%
7.6%
Q3 25
1.4%
-21.4%
Q2 25
11.9%
-11.1%
Q1 25
25.3%
-10.2%
Q4 24
5.0%
-8.4%
Q3 24
22.2%
-22.1%
Q2 24
-29.5%
-40.6%
Q1 24
-11.6%
6.7%
Capex Intensity
AMBA
AMBA
NPK
NPK
Q4 25
2.7%
0.9%
Q3 25
4.3%
0.1%
Q2 25
5.3%
2.0%
Q1 25
5.0%
22.2%
Q4 24
3.0%
2.7%
Q3 24
4.0%
3.1%
Q2 24
2.1%
0.8%
Q1 24
3.7%
0.5%
Cash Conversion
AMBA
AMBA
NPK
NPK
Q4 25
Q3 25
-4.63×
Q2 25
-2.12×
Q1 25
1.64×
Q4 24
Q3 24
-2.16×
Q2 24
-5.58×
Q1 24
0.85×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

AMBA
AMBA

TW$76.0M70%
Asia Pacific Other Than Taiwan$20.2M19%
North America Other Than United States$7.4M7%
Other$5.0M5%

NPK
NPK

Segment breakdown not available.

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